1 | #ifndef __ZMATH_H |
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2 | #define __ZMATH_H |
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3 | |
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4 | #include <errno.h> |
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5 | |
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6 | #define NUM 3 |
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7 | #define NAN 2 |
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8 | #define INF 1 |
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9 | |
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10 | #define __PI 3.14159265358979323846 |
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11 | #define __SQRT_HALF 0.70710678118654752440 |
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12 | #define __PI_OVER_TWO 1.57079632679489661923132 |
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13 | |
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14 | extern double BIGX; |
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15 | extern double SMALLX; |
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16 | |
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17 | typedef const union |
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18 | { |
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19 | long l[2]; |
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20 | double d; |
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21 | } udouble; |
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22 | |
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23 | typedef const union |
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24 | { |
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25 | long l; |
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26 | float f; |
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27 | } ufloat; |
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28 | |
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29 | extern double BIGX; |
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30 | extern double SMALLX; |
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31 | |
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32 | extern udouble z_infinity; |
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33 | extern udouble z_notanum; |
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34 | extern double z_rooteps; |
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35 | |
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36 | extern ufloat z_infinity_f; |
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37 | extern ufloat z_notanum_f; |
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38 | extern float z_rooteps_f; |
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39 | |
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40 | /* Core math routines. */ |
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41 | |
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42 | int numtest (double); |
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43 | int numtestf (float); |
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44 | double logarithm (double, int); |
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45 | float logarithmf (float, int); |
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46 | double sine (double, int); |
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47 | float sinef (float, int); |
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48 | double asine (double, int); |
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49 | float asinef (float, int); |
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50 | double atangent (double, double, double, int); |
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51 | float atangentf (float, float, float, int); |
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52 | double sineh (double, int); |
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53 | float sinehf (float, int); |
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54 | |
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55 | #endif /* no __ZMATH_H */ |
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